he was not from nato command or the eastern regional command. he was not -- i mean, why was this elite force operating in kicking in doors of farmers? the mystery that begins the investigation. >> and you take this back to the united states and show at mcraven, a photograph. >> after we learned this figure, william mcraven, was a leader of this great, our fellow sort of -- this journey was like pulling on the tale of an elephant behind a hidden wall. you're pulling on it and the cracks start to show what is behind the wall and you realize this is part of a much bigger story. that kicked off a journey that took us to elsewhere. for us, just this incredible looking glass moment happened when osama bin laden was killed. all of the sudden, everybody is talking about jsoc. it is everywhere. we spent so much time embedded in the story when there were so but little been written about it except a small circle of journalists. and all of the seven people whose journey we have been tracking have become national -- all of this sudden, people whose journey w